Home / 71,118,052.60-106,677,078.90-68,331,134.20

Finding the Fourth Proportional to 71,118,052.60, 106,677,078.90 and 68,331,134.20

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Solution

The fourth proportional to 71,118,052.60, 106,677,078.90 and 68,331,134.20 is: 102,496,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118,052.60 : 106,677,078.90 = 68,331,134.20 : x
  2. Step 2: Convert to fraction form
    71,118,052.60/106,677,078.90 = 68,331,134.20/x
  3. Step 3: Cross multiply
    71,118,052.60x = 106,677,078.90 × 68,331,134.20
  4. Step 4: Simplify right side
    71,118,052.60x = 7,289,365,794,379,889
  5. Step 5: Solve for x
    x = 7,289,365,794,379,889/71,118,052.60
  6. Step 6: Final answer
    x = 102,496,701.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.